The Smol Earth Compendium is created and maintained by a team of volunteer curators. Each curator hosts a small file in a simple format somewhere in Gopherspace or Geminispace, and updates it with URLs and tags as they discover new content. The smol.earth server polls each curator's file once per 24 hours and records new additions. Information from all curators is combined into a single database. After each daily polling of the files, the database is examined for consensus and a new daily "edition" on the Compendium is published. A link makes it into an edition if more than one curator has added it, and the link is published with all the tags which have been applied by more than one curator.
The precise details of this process are subject to change based on early experience.